DIRECT EVIDENCE FOR AN EFFECT OF TWIN BOUNDARIES ON FLUX PINNING IN SINGLE-CRYSTAL YBA2CU3O6+X

被引：104

作者：

SWARTZENDRUBER, LJ

ROITBURD, A

KAISER, DL

GAYLE, FW

BENNETT, LH

机构：

[1] Institute for Materials Science and Engineering, National Institute of Standards and Technology, Gaithersburg

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.64.483

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Magnetization measurements are reported on a nearly cubic single crystal YBa2Cu3O6+x which displays predominantly one variant of twin boundary. With this crystal, we were able to compare the effects of different vortex and twin-boundary orientations on magnetic behavior. The results demonstrate that there is a measurable effect due direct pinning of vortices by twin boundaries for applied fields perpendicular to the c axis. We also show that the large anisotropy in flux pinning for applied fields parallel and perpendicular to the c axis is not due to pinning by twin boundaries. © 1990 The American Physical Society.

引用

页码：483 / 486

页数：4

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